摘要： 研究并实现了利用Gabor滤波器对指纹图像增强的算法。改进了指纹图像方向图和纹线频率的提取方法,增加了对特征点的额外处理,并研究了Gabor函数的具体应用形式。实践表明,该方法能大幅度提高指纹图像质量。
关键词:
Gabor滤波器,
指纹图像增强,
纹线方向,
纹线频率
Abstract: The methods for ridge orientation and frequency information extraction are improved by the additional minutiae processing.Furthermore, the Gabor filter is presented in detail. Experimental results indicate that this method for fingerprint image enhancement can improvethe quality of input images.
中图分类号:
刘军波,马利庄,聂栋栋,沈丽忠. 改进的基于Gabor滤波器的指纹增强算法[J]. , 2005, 31(15): 152-.
LIU Junbo, MA Lizhuang, NIE Dongdong, SHEN Lizhong. An Improved Fingerprint Enhancement Algorithm Based on Gabor Filter[J]. , 2005, 31(15): 152-.